2. The West threatens Gadhafi with military strikesWith Moammar Gadhafi seizing the upper hand in his violent assault on Libya's rebels, the U.N. authorized military force against him. Immediately, Gadhafi declared a ceasefire, though it remains to be seen if this really signals an end to the conflict. Beyond Libya, Bahrain became a new battleground for protests, and Saudi troops were dispatched to intervene. Will the House of Saud stamp out the pro-democracy movement? For more coverage of the Arab revolts, click here.